Just because the tools are free doesn't mean your output has to be. Once you master the free UXP toolchain, you can distribute your plugin via the . Adobe takes a revenue share (typically 80/20 in your favor), so your free development tools can lead to a sustainable side income or full-time business.
So, what can you build with Adobe UXP developer tools free? The possibilities are endless, but here are a few real-world examples: adobe uxp developer tools free